The Ergonomic Professional Nail Clippers are specially designed for the bigger breeds such as Labradors, German Shepherds, and Dobermans. The ultra sharp hardened stainless steel blades have a Rockwell hardness rating of 50 and they cut your petís nails effectively without causing them pain. These nail clippers have ergonomic handles which are designed to fit your hand and provide a secure and comfortable grip with reduce the risk of repetitive motion injury.